// *** LICENSE HEADER ***
// Filename: ./camera.h
// This file is part of Nodewarz 0.1
// Nodewarz is a 3d OpenGL strategy game
// Copyright (C) 2007 CZestmyr
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
// *** END LICENSE HEADER ***
#ifndef NODEWARS_CAMERA_H
#define NODEWARS_CAMERA_H

#include <SDL.h>
#include <GL/gl.h>
#include <cmath>
#include "helperfunctions.h"
#include "definitions.h"

//A camera class
class camera {
    public:
        camera();

        void Reset();
        void Update(Uint32 dt);
        void Draw();

        void Move(float dx, float dy);
        void RotateLeft();
        void RotateRight();
        void RotateUp();
        void RotateDown();
        void EndRotateLeft();
        void EndRotateRight();
        void EndRotateUp();
        void EndRotateDown();
        void ZoomOut();
        void ZoomIn();
        void ZoomStop();
    private:
        float zoomSpeed;
        float zoomAccel;
        float horAngle;
        float vertAngle;
        float position[2]; //X, Y
        float zoom;
        bool leftRot, rightRot, upRot, downRot;
};

#endif
